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Watch Royal Institution Christmas Lectures - Season 52 Episode 1 Online!:

Prof Sophie Scott uses hissing cockroaches, chirping crickets and rumbling elephants to explore how humans and animals have evolved to use sound to send messages.

Release Date: 1966-01-04
Seasons: 8 12 13 26 28 30 31 33 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 1973 1977 1978 1991 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
TMDb: 5.1/10
  • Language: English
  • Runtime: 60

Other episodes for this season

Say It with Sound
Episode 1 - Say It with Sound
Silent Messages
Episode 2 - Silent Messages
The Word
Episode 3 - The Word